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Device for measuring the diameter of the outer wall of the curved surface structure and its application method

A technology of arc structure and diameter measurement, applied in the direction of mechanical diameter measurement, etc., can solve the problems of increased size of vernier calipers, inconvenient portability and operation, limited function of vernier calipers, etc., to achieve convenient and fast operation, high measurement accuracy, and easy storage. Effect

Active Publication Date: 2021-06-04
浙江中技建设工程检测有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when it is necessary to measure a larger spherical member, the size of the required vernier caliper is correspondingly increased, which is not only inconvenient to carry and operate on site, but also greatly increases the inaccuracy of the measurement results
Moreover, when it is necessary to measure the outer diameter of the arc surface, the function of the vernier caliper is very limited, and it is even impossible to measure the outer diameter data of the arc surface

Method used

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  • Device for measuring the diameter of the outer wall of the curved surface structure and its application method
  • Device for measuring the diameter of the outer wall of the curved surface structure and its application method
  • Device for measuring the diameter of the outer wall of the curved surface structure and its application method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] refer to figure 1 , is a diameter measuring device for an outer wall of an arc surface structure disclosed in the present invention, comprising a fixed rod 1 and three positioning rods 2 fixedly connected to one end of the fixed rod 1, and the positions where the fixed rod 1 and the positioning rods 2 are connected are fixed with The handle portion 6 is convenient for moving the diameter measuring device.

[0042] The fixed rod 1 is telescopically arranged, and the telescopic form can be any rod on the market that can adjust the length and lock the adjusted length. In this embodiment, one of them is used as the object of illustration, and the fixed rod 1 includes a first adjusting rod 11 and a second adjusting rod 12 arranged coaxially. One end of the first adjusting rod 11 is fixed to the positioning rod 2 , and the other end is inserted into the inside of the second adjusting rod 12 , so that the second adjusting rod 12 can slide along the first adjusting rod 11 . T...

Embodiment 2

[0053] refer to figure 2 , is a device for measuring the diameter of the outer wall of an arc surface structure disclosed in the present invention. The only difference from Embodiment 1 is that the positioning rod 2 is also telescopic, and the telescopic form can be any one on the market that can adjust the length and lock the adjustment The rear length of the member. In this embodiment, one of them is taken as the object of illustration, and the positioning rod 2 includes a first telescopic rod 21 and a second telescopic rod 22 arranged coaxially.

[0054] One end of the first telescopic rod 21 is fixed to the fixed rod 1 , and the other end is inserted into the inside of the second telescopic rod 22 , so that the second telescopic rod 22 can slide and fit along the first telescopic rod 21 . The second telescopic rod 22 is pierced with a locking bolt 221. When the locking bolt 221 is turned so that the end of the locking bolt 221 is pressed against the outer wall of the fir...

Embodiment 3

[0062] refer to Figure 3-4 , is a device for measuring the diameter of the outer wall of an arc-shaped structure disclosed in the present invention. On the basis of Embodiment 1 or Embodiment 2, the end of the positioning rod 2 is rotatably connected to the end of the fixing rod 1 .

[0063] The end of the fixed rod 1 away from the ball 3 is fixed with a positioning platform 4 , the positioning platform 4 is arranged in a hemispherical shape, and the handle 6 is fixed on the plane of the positioning platform 4 . The radius of the sphere where the spherical surface of the positioning platform 4 is located is denoted as R. The fixed rod 1 is fixed at the center of the sphere, and the axis of the fixed rod 1 passes through the center of the sphere, so that the fixed rod 1 is perpendicular to the plane of the positioning platform 4 .

[0064] The spherical surface of the positioning table 4 is provided with three slideways 41, and the three slideways 41 are evenly distributed wi...

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Abstract

The invention relates to a diameter measuring device for an outer wall of an arc surface structure and a method for using the same. The diameter measuring device includes a fixed rod and three positioning rods with equal lengths connected to one end of the fixed rod. The fixed rod is telescopically arranged; the three positioning rods are evenly distributed on the periphery of the fixed rod; the included angle between each positioning rod and the fixed rod is equal, and the included angle is an acute angle. The method of use includes the following steps: S1, measure the angle between the positioning rod and the fixed rod, denoted as α; S2, take the diameter measuring device and place it on the outer wall of the arc structure to be tested, and measure the end of the positioning rod connected to the fixed rod The length to the outer wall of the curved surface structure is denoted as L; S3, adjust the length of the fixed rod so that the end of the fixed rod conflicts with the outer wall of the curved surface structure; measure the distance between the end of the fixed rod connected to the positioning rod and the outer wall of the curved surface structure The length of is denoted as H; the diameter of the outer wall of the arcuate structure The present invention has the effect of convenient and accurate measurement of the outer diameter of the arcuate structure.

Description

technical field [0001] The invention relates to the technical field of outer diameter measurement of an arcuate structure, in particular to a diameter measuring device for an outer wall of an arcuate structure and a method for using the same. Background technique [0002] In structures such as grid structures and shell structures of steel structures, spheres or spherical components are usually used. In the process of building inspection, it is necessary to measure the outer diameter of the aforementioned spheres, spherical components and other arc structures. [0003] The outer diameter detection of the existing arc surface structure usually uses a vernier caliper for direct measurement. When the curved surface structure is a sphere with a small volume, the measurement of the vernier caliper is convenient and relatively accurate. However, when it is necessary to measure a larger spherical member, the size of the required vernier caliper is correspondingly increased, which ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/08
CPCG01B5/08
Inventor 李建伟朱停玉许增金铭达
Owner 浙江中技建设工程检测有限公司